Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 7 19.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2018   19:54:21   ( -80.49,  16.36) 07/22/2018   19:55:31  ( -80.49,  16.50)    2.62                70
 07/22/2018   20:45:25   (  80.49,-176.35) 07/22/2018   20:46:17  (  80.51,-176.46)    3.04                52
 07/22/2018   21:36:21   ( -80.51,  -8.76) 07/22/2018   21:37:01  ( -80.50,  -8.89)    2.79                40
 07/22/2018   22:27:26   (  80.50, 158.19) 07/22/2018   22:27:47  (  80.51, 158.15)    2.30                21
 07/22/2018   23:18:22   ( -80.51, -34.23) 07/22/2018   23:18:31  ( -80.50, -34.28)    1.87                 9
 07/23/2018   00:09:27   (  80.50, 132.73) 07/23/2018   00:09:17  (  80.52, 132.76)    2.18                10
 07/23/2018   01:00:23   ( -80.51, -59.69) 07/23/2018   01:00:01  ( -80.50, -59.67)    1.75                22
 07/23/2018   01:51:28   (  80.50, 107.27) 07/23/2018   01:50:47  (  80.52, 107.37)    2.75                41
 07/23/2018   02:42:24   ( -80.51, -85.15) 07/23/2018   02:41:31  ( -80.50, -85.06)    2.54                53